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Webb Granite Quarry (Webb Fitzwilliam Quarry), Fitzwilliam, Cheshire Co., New Hampshire, USAi
Regional Level Types
Webb Granite Quarry (Webb Fitzwilliam Quarry)Quarry
Fitzwilliam- not defined -
Cheshire Co.County
New HampshireState
USACountry

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Key
Latitude & Longitude (WGS84):
42° 45' 24'' North , 72° 9' 1'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Fitzwilliam2,280 (2017)2.7km
Troy1,221 (2017)7.9km
Royalston1,276 (2017)9.3km
Richmond1,147 (2017)9.9km
Rindge6,049 (2017)11.5km


The Webb Fitzwilliam quarry was operated by Webb Granite & Construction Company. It opened circa 1829 and was abandoned by 1917. It was located half a mile south of Fitzwilliam Depot. A 7,000-foot railroad siding connected the quarry to the depot. Their product was used mainly for buildings and monuments, including the approaches and base of First Church of Christ, Scientist, Boston Massachusetts.

The granite was a muscovite-biotite granite of light, very bluish gray color and of even-grained fine texture, with feldspars and micas under 0.2 inch. Its constituents, in descending-order of abundance, were clear, colorless to translucent bluish potash feldspar (microcline and orthoclase), slightly kaolinized; clear colorless quartz with cavities and hairlike crystals of rutile; "clear to milk-white soda-lime feldspar (oligoclase), some of it slightly kaolinized and micacized; muscovite (white mica) in large scales; and biotite (black mica) in more abundant and much smaller scales. Accessory minerals include magnetite (very little), apatite and rutile. Secondary minerals include kaolin and a white mica.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


7 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Harvard Mineralogical Museum specimen no. 81179
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).
Microcline
Formula: K(AlSi3O8)
Reference: No reference listed
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: No reference listed
Quartz
Formula: SiO2
Reference: No reference listed
Rutile
Formula: TiO2
Reference: Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Almandine9.AD.25Fe2+3Al2(SiO4)3
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
OOxygen
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O MagnetiteFe2+Fe23+O4
O ApatiteCa5(PO4)3(Cl/F/OH)
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O RutileTiO2
O AlmandineFe32+Al2(SiO4)3
O AlbiteNa(AlSi3O8)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al AlmandineFe32+Al2(SiO4)3
Al AlbiteNa(AlSi3O8)
SiSilicon
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si AlmandineFe32+Al2(SiO4)3
Si AlbiteNa(AlSi3O8)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti RutileTiO2
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe AlmandineFe32+Al2(SiO4)3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Norton, John F. (1888). The History of Fitzwilliam, New Hampshire, from 1752 to 1887. (NY: Burr Printing House).
Dale, T. Nelson (1923) The Commercial Granites of New England
Dale, T. Nelson (1909). Supplementary Notes on the Granites of New Hampshire (in Contributions to Economic Geology, Part I, USGS Bulletin 430, 1910).


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